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<!DOCTYPE html>
<html lang="en">
<head>
        <meta charset="utf-8">
        <title>jQuery UI Draggable - Events</title>
        <link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
        <script src="../../jquery-1.4.2.js"></script>
        <script src="../../ui/jquery.ui.core.js"></script>
        <script src="../../ui/jquery.ui.widget.js"></script>
        <script src="../../ui/jquery.ui.mouse.js"></script>
        <script src="../../ui/jquery.ui.draggable.js"></script>
        <link rel="stylesheet" href="../demos.css">
        <style>
        #draggable { width: 16em; padding: 0 1em; }
        #draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
        #draggable ul li span.ui-icon { float: left; }
        #draggable ul li span.count { font-weight: bold; }
        </style>
        <script>
        $(function() {
                var $start_counter = $( "#event-start" ),
                        $drag_counter = $( "#event-drag" ),
                        $stop_counter = $( "#event-stop" ),
                        counts = [ 0, 0, 0 ];

                $( "#draggable" ).draggable({
                        start: function() {
                                counts[ 0 ]++;
                                updateCounterStatus( $start_counter, counts[ 0 ] );
                        },
                        drag: function() {
                                counts[ 1 ]++;
                                updateCounterStatus( $drag_counter, counts[ 1 ] );
                        },
                        stop: function() {
                                counts[ 2 ]++;
                                updateCounterStatus( $stop_counter, counts[ 2 ] );
                        }
                });

                function updateCounterStatus( $event_counter, new_count ) {
                        // first update the status visually...
                        if ( !$event_counter.hasClass( "ui-state-hover" ) ) {
                                $event_counter.addClass( "ui-state-hover" )
                                        .siblings().removeClass( "ui-state-hover" );
                        }
                        // ...then update the numbers
                        $( "span.count", $event_counter ).text( new_count );
                }
        });
        </script>
</head>
<body>

<div class="demo">

<div id="draggable" class="ui-widget ui-widget-content">

        <p>Drag me to trigger the chain of events.</p>

        <ul class="ui-helper-reset">
                <li id="event-start" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-play"></span>"start" invoked <span class="count">0</span>x</li>
                <li id="event-drag" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-arrow-4"></span>"drag" invoked <span class="count">0</span>x</li>
                <li id="event-stop" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-stop"></span>"stop" invoked <span class="count">0</span>x</li>
        </ul>
</div>

</div><!-- End demo -->



<div class="demo-description">
<p>Layer functionality onto the draggable using the <code>start</code>, <code>drag</code>, and <code>stop</code> events.  Start is fired at the start of the drag; drag during the drag; and stop when dragging stops.</p>
</div><!-- End demo-description -->

</body>
</html>